EulerOS 2.0 SP5 : kernel (EulerOS-SA-2021-2336)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in Linux Kernel where refcount leak in llcpsockbind causing use-after-free which might lead to privilege...

OESA-2021-1336 kernel security update

he Linux Kernel, the operating system core itself. Security Fixes: A flaw use-after-free in function scosocksendmsg of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIOREGISTER or other way triggers race condition of the call scoconndel together with the call scosocksendm...

RHEL 7 : kernel (RHSA-2021:3321)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3321 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: out-of-bounds write in...

CentOS 7 : kernel (RHSA-2021:3327)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3327 advisory. - A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest syst...

RHEL 7 : kernel (RHSA-2021:3327)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3327 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: out-of-bounds write in...

RHEL 8 : kpatch-patch (RHSA-2021:3380)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3380 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

Important: Red Hat Security Advisory: kpatch-patch security update

An update is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links...

kernel: race condition for removal of the HCI controller

A flaw was found in the Linux kernel’s handling of the removal of Bluetooth HCI controllers. This flaw allows an attacker with a local account to exploit a race condition, leading to corrupted memory and possible privilege escalation. The highest threat from this vulnerability is to...

RHEL 8 : kernel (RHSA-2021:3363)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3363 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: race condition in net/can/bcm....

USN-5044-1: Linux kernel vulnerabilities

It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device initialization failure, leading to a double-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2021-3564 It was discovered that th...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-5046-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5046-1 advisory. It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform access control. An authenticated attacker could possibly use...

USN-5046-1: Linux kernel vulnerabilities

It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform access control. An authenticated attacker could possibly use this to expose sensitive information. CVE-2020-26558, CVE-2021-0129 Michael Brown discovered that the Xen netback driver in the Linux kernel did...

Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel vulnerabilities (USN-5044-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5044-1 advisory. It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device initialization failure, leading to a...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5045-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5045-1 advisory. Norbert Slusarek discovered that the CAN broadcast manger bcm protocol implementation in the Linux kernel did not properly initialize memory ...

Important: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availabl...

CVE-2021-3573

A use-after-free in function hcisockboundioctl of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hciunregisterdev together with one of the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo,...

CVE-2021-3573

A use-after-free in function hcisockboundioctl of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hciunregisterdev together with one of the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo,...

DEBIAN-CVE-2021-3573

A use-after-free in function hcisockboundioctl of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hciunregisterdev together with one of the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo,...

Race condition

A use-after-free in function hcisockboundioctl of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hciunregisterdev together with one of the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo,...

CVE-2021-3573

A use-after-free in function hcisockboundioctl of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hciunregisterdev together with one of the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo,...